The Ashdown CTM-30 Little Stubby has an upgraded 30-watt EL84 driven power section and features a single instrument input with hi and low input sensitivity selector switch, for use with active or passive basses. The amp combines traditional āBass, Middle and Trebleā rotary EQ control with a familiar Volume, Drive and unique Feedback control to accomplish both contemporary and classic all-valve tones from its ECC81, ECC82 and ECC83 preamp valves. Itās extremely easy to finding the gain āsweet spotā on the Little Stubby ā producing a warm, full-bodied overdriven sound.